Garmin "Low Aerobic Shortage" - outdated advice?

Equipment
29

I don’t pay much attention to the productive/maintaining/unproductive graph, however switching from TR plans to FasCat plans (and then FasCat coach) resulted in:

  • a lot more Productive status on my Garmin 530, a lot more
  • broke thru 250W FTP ceiling I saw using TR for 2 years
  • my entire power curve improved vs TR
  • stopped having minor knee issues
  • felt faster and stronger on and off the bike

Doubt I’ll ever win any cycling championships, started too late in life and not genetically gifted in that way. And I agree with you about Productive/Maintaining/Detraining (Training Status) not being helpful to guide training. Never found that useful, I’d rather focus on 3 or 4 week training blocks and stick to that plan.

However the 4 week load (anaerobic, high aerobic, low aerobic) has been in agreement with times that I wasn’t able to follow my coach’s plan because of life I was forced to cut out z2 / low aerobic rides. So I use it as a rear view mirror, and when low aerobic suffers I make a point of doing more z2 work.

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